db53196a48
- Add a 32bit syscall entry for nanosleep Reviewed by: peter Obtained from: Yahoo!
1357 lines
30 KiB
C
1357 lines
30 KiB
C
/*-
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* Copyright (c) 2002 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/exec.h>
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#include <sys/fcntl.h>
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#include <sys/filedesc.h>
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#include <sys/namei.h>
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#include <sys/imgact.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/file.h> /* Must come after sys/malloc.h */
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#include <sys/mman.h>
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#include <sys/module.h>
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#include <sys/mount.h>
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#include <sys/mutex.h>
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#include <sys/namei.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/reboot.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/selinfo.h>
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#include <sys/pipe.h> /* Must come after sys/selinfo.h */
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/stat.h>
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#include <sys/syscallsubr.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <sys/sysproto.h>
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#include <sys/systm.h>
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#include <sys/unistd.h>
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#include <sys/vnode.h>
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#include <sys/wait.h>
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#include <vm/vm.h>
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#include <vm/vm_kern.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <vm/vm_extern.h>
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#include <compat/freebsd32/freebsd32_util.h>
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#include <compat/freebsd32/freebsd32.h>
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#include <compat/freebsd32/freebsd32_proto.h>
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CTASSERT(sizeof(struct timeval32) == 8);
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CTASSERT(sizeof(struct timespec32) == 8);
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CTASSERT(sizeof(struct statfs32) == 256);
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CTASSERT(sizeof(struct rusage32) == 72);
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int
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freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
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{
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int error, status;
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struct rusage32 ru32;
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struct rusage ru, *rup;
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if (uap->rusage != NULL)
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rup = &ru;
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else
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rup = NULL;
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error = kern_wait(td, uap->pid, &status, uap->options, rup);
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if (error)
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return (error);
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if (uap->status != NULL)
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error = copyout(&status, uap->status, sizeof(status));
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if (uap->rusage != NULL && error == 0) {
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TV_CP(ru, ru32, ru_utime);
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TV_CP(ru, ru32, ru_stime);
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CP(ru, ru32, ru_maxrss);
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CP(ru, ru32, ru_ixrss);
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CP(ru, ru32, ru_idrss);
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CP(ru, ru32, ru_isrss);
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CP(ru, ru32, ru_minflt);
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CP(ru, ru32, ru_majflt);
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CP(ru, ru32, ru_nswap);
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CP(ru, ru32, ru_inblock);
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CP(ru, ru32, ru_oublock);
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CP(ru, ru32, ru_msgsnd);
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CP(ru, ru32, ru_msgrcv);
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CP(ru, ru32, ru_nsignals);
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CP(ru, ru32, ru_nvcsw);
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CP(ru, ru32, ru_nivcsw);
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error = copyout(&ru32, uap->rusage, sizeof(ru32));
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}
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return (error);
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}
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#ifdef COMPAT_FREEBSD4
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static void
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copy_statfs(struct statfs *in, struct statfs32 *out)
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{
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CP(*in, *out, f_bsize);
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CP(*in, *out, f_iosize);
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CP(*in, *out, f_blocks);
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CP(*in, *out, f_bfree);
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CP(*in, *out, f_bavail);
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CP(*in, *out, f_files);
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CP(*in, *out, f_ffree);
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CP(*in, *out, f_fsid);
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CP(*in, *out, f_owner);
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CP(*in, *out, f_type);
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CP(*in, *out, f_flags);
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CP(*in, *out, f_flags);
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CP(*in, *out, f_syncwrites);
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CP(*in, *out, f_asyncwrites);
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bcopy(in->f_fstypename,
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out->f_fstypename, MFSNAMELEN);
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bcopy(in->f_mntonname,
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out->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
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CP(*in, *out, f_syncreads);
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CP(*in, *out, f_asyncreads);
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bcopy(in->f_mntfromname,
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out->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
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}
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#endif
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#ifdef COMPAT_FREEBSD4
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int
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freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap)
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{
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int error;
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caddr_t sg;
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struct statfs32 *sp32, stat32;
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struct statfs *sp = NULL, stat;
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int maxcount, count, i;
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sp32 = uap->buf;
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maxcount = uap->bufsize / sizeof(struct statfs32);
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if (sp32) {
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sg = stackgap_init();
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sp = stackgap_alloc(&sg, sizeof(struct statfs) * maxcount);
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uap->buf = (struct statfs32 *)sp;
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}
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error = getfsstat(td, (struct getfsstat_args *) uap);
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if (sp32 && !error) {
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count = td->td_retval[0];
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for (i = 0; i < count; i++) {
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error = copyin(&sp[i], &stat, sizeof(stat));
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if (error)
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return (error);
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copy_statfs(&stat, &stat32);
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error = copyout(&stat32, &sp32[i], sizeof(stat32));
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if (error)
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return (error);
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}
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}
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return (error);
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}
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#endif
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struct sigaltstack32 {
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u_int32_t ss_sp;
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u_int32_t ss_size;
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int ss_flags;
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};
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CTASSERT(sizeof(struct sigaltstack32) == 12);
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int
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freebsd32_sigaltstack(struct thread *td,
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struct freebsd32_sigaltstack_args *uap)
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{
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struct sigaltstack32 s32;
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struct sigaltstack ss, oss, *ssp;
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int error;
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if (uap->ss != NULL) {
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error = copyin(uap->ss, &s32, sizeof(s32));
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if (error)
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return (error);
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PTRIN_CP(s32, ss, ss_sp);
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CP(s32, ss, ss_size);
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CP(s32, ss, ss_flags);
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ssp = &ss;
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} else
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ssp = NULL;
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error = kern_sigaltstack(td, ssp, &oss);
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if (error == 0 && uap->oss != NULL) {
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PTROUT_CP(oss, s32, ss_sp);
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CP(oss, s32, ss_size);
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CP(oss, s32, ss_flags);
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error = copyout(&s32, uap->oss, sizeof(s32));
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}
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return (error);
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}
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int
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freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
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{
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int error;
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caddr_t sg;
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struct execve_args ap;
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u_int32_t *p32, arg;
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char **p, *p64;
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int count;
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sg = stackgap_init();
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ap.fname = uap->fname;
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if (uap->argv) {
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count = 0;
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p32 = uap->argv;
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do {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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return error;
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count++;
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} while (arg != 0);
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p = stackgap_alloc(&sg, count * sizeof(char *));
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ap.argv = p;
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p32 = uap->argv;
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do {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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return error;
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p64 = PTRIN(arg);
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error = copyout(&p64, p++, sizeof(p64));
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if (error)
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return error;
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} while (arg != 0);
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}
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if (uap->envv) {
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count = 0;
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p32 = uap->envv;
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do {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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return error;
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count++;
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} while (arg != 0);
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p = stackgap_alloc(&sg, count * sizeof(char *));
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ap.envv = p;
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p32 = uap->envv;
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do {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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return error;
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p64 = PTRIN(arg);
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error = copyout(&p64, p++, sizeof(p64));
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if (error)
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return error;
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} while (arg != 0);
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}
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return execve(td, &ap);
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}
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#ifdef __ia64__
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static int
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freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end,
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int prot, int fd, off_t pos)
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{
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vm_map_t map;
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vm_map_entry_t entry;
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int rv;
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map = &td->td_proc->p_vmspace->vm_map;
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if (fd != -1)
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prot |= VM_PROT_WRITE;
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if (vm_map_lookup_entry(map, start, &entry)) {
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if ((entry->protection & prot) != prot) {
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rv = vm_map_protect(map,
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trunc_page(start),
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round_page(end),
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entry->protection | prot,
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FALSE);
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if (rv != KERN_SUCCESS)
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return (EINVAL);
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}
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} else {
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vm_offset_t addr = trunc_page(start);
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rv = vm_map_find(map, 0, 0,
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&addr, PAGE_SIZE, FALSE, prot,
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VM_PROT_ALL, 0);
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if (rv != KERN_SUCCESS)
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return (EINVAL);
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}
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if (fd != -1) {
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struct pread_args r;
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r.fd = fd;
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r.buf = (void *) start;
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r.nbyte = end - start;
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r.offset = pos;
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return (pread(td, &r));
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} else {
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while (start < end) {
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subyte((void *) start, 0);
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start++;
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}
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return (0);
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}
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}
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#endif
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int
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freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
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{
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struct mmap_args ap;
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vm_offset_t addr = (vm_offset_t) uap->addr;
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vm_size_t len = uap->len;
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int prot = uap->prot;
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int flags = uap->flags;
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int fd = uap->fd;
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off_t pos = (uap->poslo
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| ((off_t)uap->poshi << 32));
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#ifdef __ia64__
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vm_size_t pageoff;
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int error;
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/*
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* Attempt to handle page size hassles.
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*/
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pageoff = (pos & PAGE_MASK);
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if (flags & MAP_FIXED) {
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vm_offset_t start, end;
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start = addr;
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end = addr + len;
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if (start != trunc_page(start)) {
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error = freebsd32_mmap_partial(td, start,
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round_page(start), prot,
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fd, pos);
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if (fd != -1)
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pos += round_page(start) - start;
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start = round_page(start);
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}
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if (end != round_page(end)) {
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vm_offset_t t = trunc_page(end);
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error = freebsd32_mmap_partial(td, t, end,
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prot, fd,
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pos + t - start);
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end = trunc_page(end);
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}
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if (end > start && fd != -1 && (pos & PAGE_MASK)) {
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/*
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* We can't map this region at all. The specified
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* address doesn't have the same alignment as the file
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* position. Fake the mapping by simply reading the
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* entire region into memory. First we need to make
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* sure the region exists.
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*/
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vm_map_t map;
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struct pread_args r;
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int rv;
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prot |= VM_PROT_WRITE;
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map = &td->td_proc->p_vmspace->vm_map;
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rv = vm_map_remove(map, start, end);
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if (rv != KERN_SUCCESS)
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return (EINVAL);
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rv = vm_map_find(map, 0, 0,
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&start, end - start, FALSE,
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prot, VM_PROT_ALL, 0);
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if (rv != KERN_SUCCESS)
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return (EINVAL);
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r.fd = fd;
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r.buf = (void *) start;
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r.nbyte = end - start;
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r.offset = pos;
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error = pread(td, &r);
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if (error)
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return (error);
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td->td_retval[0] = addr;
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return (0);
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}
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if (end == start) {
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/*
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* After dealing with the ragged ends, there
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* might be none left.
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*/
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td->td_retval[0] = addr;
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return (0);
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}
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addr = start;
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len = end - start;
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}
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#endif
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ap.addr = (void *) addr;
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ap.len = len;
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ap.prot = prot;
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ap.flags = flags;
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ap.fd = fd;
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ap.pos = pos;
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return (mmap(td, &ap));
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}
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struct itimerval32 {
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struct timeval32 it_interval;
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struct timeval32 it_value;
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};
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CTASSERT(sizeof(struct itimerval32) == 16);
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|
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int
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freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
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{
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int error;
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caddr_t sg;
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struct itimerval32 *p32, *op32, s32;
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struct itimerval *p = NULL, *op = NULL, s;
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p32 = uap->itv;
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if (p32) {
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sg = stackgap_init();
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p = stackgap_alloc(&sg, sizeof(struct itimerval));
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uap->itv = (struct itimerval32 *)p;
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error = copyin(p32, &s32, sizeof(s32));
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if (error)
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return (error);
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TV_CP(s32, s, it_interval);
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TV_CP(s32, s, it_value);
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error = copyout(&s, p, sizeof(s));
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if (error)
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return (error);
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}
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op32 = uap->oitv;
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if (op32) {
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sg = stackgap_init();
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op = stackgap_alloc(&sg, sizeof(struct itimerval));
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uap->oitv = (struct itimerval32 *)op;
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}
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error = setitimer(td, (struct setitimer_args *) uap);
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if (error)
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return (error);
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if (op32) {
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error = copyin(op, &s, sizeof(s));
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if (error)
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return (error);
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TV_CP(s, s32, it_interval);
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TV_CP(s, s32, it_value);
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error = copyout(&s32, op32, sizeof(s32));
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}
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return (error);
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}
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|
|
int
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freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
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{
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int error;
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caddr_t sg;
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struct itimerval32 *p32, s32;
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struct itimerval *p = NULL, s;
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p32 = uap->itv;
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if (p32) {
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sg = stackgap_init();
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p = stackgap_alloc(&sg, sizeof(struct itimerval));
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uap->itv = (struct itimerval32 *)p;
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}
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error = getitimer(td, (struct getitimer_args *) uap);
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if (error)
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return (error);
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if (p32) {
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error = copyin(p, &s, sizeof(s));
|
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if (error)
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return (error);
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TV_CP(s, s32, it_interval);
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TV_CP(s, s32, it_value);
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error = copyout(&s32, p32, sizeof(s32));
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}
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return (error);
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}
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|
|
int
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|
freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct timeval32 *p32, s32;
|
|
struct timeval *p = NULL, s;
|
|
|
|
p32 = uap->tv;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct timeval));
|
|
uap->tv = (struct timeval32 *)p;
|
|
error = copyin(p32, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32, s, tv_sec);
|
|
CP(s32, s, tv_usec);
|
|
error = copyout(&s, p, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
/*
|
|
* XXX big-endian needs to convert the fd_sets too.
|
|
*/
|
|
return (select(td, (struct select_args *) uap));
|
|
}
|
|
|
|
struct kevent32 {
|
|
u_int32_t ident; /* identifier for this event */
|
|
short filter; /* filter for event */
|
|
u_short flags;
|
|
u_int fflags;
|
|
int32_t data;
|
|
u_int32_t udata; /* opaque user data identifier */
|
|
};
|
|
|
|
CTASSERT(sizeof(struct kevent32) == 20);
|
|
|
|
int
|
|
freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct timespec32 ts32;
|
|
struct timespec ts;
|
|
struct kevent32 ks32;
|
|
struct kevent *ks;
|
|
struct kevent_args a;
|
|
int i;
|
|
|
|
sg = stackgap_init();
|
|
|
|
a.fd = uap->fd;
|
|
a.changelist = uap->changelist;
|
|
a.nchanges = uap->nchanges;
|
|
a.eventlist = uap->eventlist;
|
|
a.nevents = uap->nevents;
|
|
a.timeout = NULL;
|
|
|
|
if (uap->timeout) {
|
|
a.timeout = stackgap_alloc(&sg, sizeof(struct timespec));
|
|
error = copyin(uap->timeout, &ts32, sizeof(ts32));
|
|
if (error)
|
|
return (error);
|
|
CP(ts32, ts, tv_sec);
|
|
CP(ts32, ts, tv_nsec);
|
|
error = copyout(&ts, (void *)(uintptr_t)a.timeout, sizeof(ts));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
if (uap->changelist) {
|
|
a.changelist = (struct kevent *)stackgap_alloc(&sg,
|
|
uap->nchanges * sizeof(struct kevent));
|
|
for (i = 0; i < uap->nchanges; i++) {
|
|
error = copyin(&uap->changelist[i], &ks32,
|
|
sizeof(ks32));
|
|
if (error)
|
|
return (error);
|
|
ks = (struct kevent *)(uintptr_t)&a.changelist[i];
|
|
CP(ks32, *ks, ident);
|
|
CP(ks32, *ks, filter);
|
|
CP(ks32, *ks, flags);
|
|
CP(ks32, *ks, fflags);
|
|
CP(ks32, *ks, data);
|
|
PTRIN_CP(ks32, *ks, udata);
|
|
}
|
|
}
|
|
if (uap->eventlist) {
|
|
a.eventlist = stackgap_alloc(&sg,
|
|
uap->nevents * sizeof(struct kevent));
|
|
}
|
|
error = kevent(td, &a);
|
|
if (uap->eventlist && error > 0) {
|
|
for (i = 0; i < error; i++) {
|
|
ks = &a.eventlist[i];
|
|
CP(*ks, ks32, ident);
|
|
CP(*ks, ks32, filter);
|
|
CP(*ks, ks32, flags);
|
|
CP(*ks, ks32, fflags);
|
|
CP(*ks, ks32, data);
|
|
PTROUT_CP(*ks, ks32, udata);
|
|
error = copyout(&ks32, &uap->eventlist[i],
|
|
sizeof(ks32));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
}
|
|
return error;
|
|
}
|
|
|
|
int
|
|
freebsd32_gettimeofday(struct thread *td,
|
|
struct freebsd32_gettimeofday_args *uap)
|
|
{
|
|
struct timeval atv;
|
|
struct timeval32 atv32;
|
|
struct timezone rtz;
|
|
int error = 0;
|
|
|
|
if (uap->tp) {
|
|
microtime(&atv);
|
|
CP(atv, atv32, tv_sec);
|
|
CP(atv, atv32, tv_usec);
|
|
error = copyout(&atv32, uap->tp, sizeof (atv32));
|
|
}
|
|
if (error == 0 && uap->tzp != NULL) {
|
|
rtz.tz_minuteswest = tz_minuteswest;
|
|
rtz.tz_dsttime = tz_dsttime;
|
|
error = copyout(&rtz, uap->tzp, sizeof (rtz));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
|
|
{
|
|
struct rusage32 s32;
|
|
struct rusage s;
|
|
int error;
|
|
|
|
error = kern_getrusage(td, uap->who, &s);
|
|
if (error)
|
|
return (error);
|
|
if (uap->rusage != NULL) {
|
|
TV_CP(s, s32, ru_utime);
|
|
TV_CP(s, s32, ru_stime);
|
|
CP(s, s32, ru_maxrss);
|
|
CP(s, s32, ru_ixrss);
|
|
CP(s, s32, ru_idrss);
|
|
CP(s, s32, ru_isrss);
|
|
CP(s, s32, ru_minflt);
|
|
CP(s, s32, ru_majflt);
|
|
CP(s, s32, ru_nswap);
|
|
CP(s, s32, ru_inblock);
|
|
CP(s, s32, ru_oublock);
|
|
CP(s, s32, ru_msgsnd);
|
|
CP(s, s32, ru_msgrcv);
|
|
CP(s, s32, ru_nsignals);
|
|
CP(s, s32, ru_nvcsw);
|
|
CP(s, s32, ru_nivcsw);
|
|
error = copyout(&s32, uap->rusage, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
struct iovec32 {
|
|
u_int32_t iov_base;
|
|
int iov_len;
|
|
};
|
|
#define STACKGAPLEN 400
|
|
|
|
CTASSERT(sizeof(struct iovec32) == 8);
|
|
|
|
int
|
|
freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
|
|
{
|
|
int error, osize, nsize, i;
|
|
caddr_t sg;
|
|
struct readv_args /* {
|
|
syscallarg(int) fd;
|
|
syscallarg(struct iovec *) iovp;
|
|
syscallarg(u_int) iovcnt;
|
|
} */ a;
|
|
struct iovec32 *oio;
|
|
struct iovec *nio;
|
|
|
|
sg = stackgap_init();
|
|
|
|
if (uap->iovcnt > (STACKGAPLEN / sizeof (struct iovec)))
|
|
return (EINVAL);
|
|
|
|
osize = uap->iovcnt * sizeof (struct iovec32);
|
|
nsize = uap->iovcnt * sizeof (struct iovec);
|
|
|
|
oio = malloc(osize, M_TEMP, M_WAITOK);
|
|
nio = malloc(nsize, M_TEMP, M_WAITOK);
|
|
|
|
error = 0;
|
|
if ((error = copyin(uap->iovp, oio, osize)))
|
|
goto punt;
|
|
for (i = 0; i < uap->iovcnt; i++) {
|
|
nio[i].iov_base = PTRIN(oio[i].iov_base);
|
|
nio[i].iov_len = oio[i].iov_len;
|
|
}
|
|
|
|
a.fd = uap->fd;
|
|
a.iovp = stackgap_alloc(&sg, nsize);
|
|
a.iovcnt = uap->iovcnt;
|
|
|
|
if ((error = copyout(nio, (caddr_t)a.iovp, nsize)))
|
|
goto punt;
|
|
error = readv(td, &a);
|
|
|
|
punt:
|
|
free(oio, M_TEMP);
|
|
free(nio, M_TEMP);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
|
|
{
|
|
int error, i, nsize, osize;
|
|
caddr_t sg;
|
|
struct writev_args /* {
|
|
syscallarg(int) fd;
|
|
syscallarg(struct iovec *) iovp;
|
|
syscallarg(u_int) iovcnt;
|
|
} */ a;
|
|
struct iovec32 *oio;
|
|
struct iovec *nio;
|
|
|
|
sg = stackgap_init();
|
|
|
|
if (uap->iovcnt > (STACKGAPLEN / sizeof (struct iovec)))
|
|
return (EINVAL);
|
|
|
|
osize = uap->iovcnt * sizeof (struct iovec32);
|
|
nsize = uap->iovcnt * sizeof (struct iovec);
|
|
|
|
oio = malloc(osize, M_TEMP, M_WAITOK);
|
|
nio = malloc(nsize, M_TEMP, M_WAITOK);
|
|
|
|
error = 0;
|
|
if ((error = copyin(uap->iovp, oio, osize)))
|
|
goto punt;
|
|
for (i = 0; i < uap->iovcnt; i++) {
|
|
nio[i].iov_base = PTRIN(oio[i].iov_base);
|
|
nio[i].iov_len = oio[i].iov_len;
|
|
}
|
|
|
|
a.fd = uap->fd;
|
|
a.iovp = stackgap_alloc(&sg, nsize);
|
|
a.iovcnt = uap->iovcnt;
|
|
|
|
if ((error = copyout(nio, (caddr_t)a.iovp, nsize)))
|
|
goto punt;
|
|
error = writev(td, &a);
|
|
|
|
punt:
|
|
free(oio, M_TEMP);
|
|
free(nio, M_TEMP);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_settimeofday(struct thread *td,
|
|
struct freebsd32_settimeofday_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct timeval32 *p32, s32;
|
|
struct timeval *p = NULL, s;
|
|
|
|
p32 = uap->tv;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct timeval));
|
|
uap->tv = (struct timeval32 *)p;
|
|
error = copyin(p32, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32, s, tv_sec);
|
|
CP(s32, s, tv_usec);
|
|
error = copyout(&s, p, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
return (settimeofday(td, (struct settimeofday_args *) uap));
|
|
}
|
|
|
|
int
|
|
freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct timeval32 *p32, s32[2];
|
|
struct timeval *p = NULL, s[2];
|
|
|
|
p32 = uap->tptr;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, 2*sizeof(struct timeval));
|
|
uap->tptr = (struct timeval32 *)p;
|
|
error = copyin(p32, s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32[0], s[0], tv_sec);
|
|
CP(s32[0], s[0], tv_usec);
|
|
CP(s32[1], s[1], tv_sec);
|
|
CP(s32[1], s[1], tv_usec);
|
|
error = copyout(s, p, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
return (utimes(td, (struct utimes_args *) uap));
|
|
}
|
|
|
|
int
|
|
freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct timeval32 *p32, *op32, s32;
|
|
struct timeval *p = NULL, *op = NULL, s;
|
|
|
|
p32 = uap->delta;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct timeval));
|
|
uap->delta = (struct timeval32 *)p;
|
|
error = copyin(p32, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32, s, tv_sec);
|
|
CP(s32, s, tv_usec);
|
|
error = copyout(&s, p, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
op32 = uap->olddelta;
|
|
if (op32) {
|
|
sg = stackgap_init();
|
|
op = stackgap_alloc(&sg, sizeof(struct timeval));
|
|
uap->olddelta = (struct timeval32 *)op;
|
|
}
|
|
error = utimes(td, (struct utimes_args *) uap);
|
|
if (error)
|
|
return error;
|
|
if (op32) {
|
|
error = copyin(op, &s, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
CP(s, s32, tv_sec);
|
|
CP(s, s32, tv_usec);
|
|
error = copyout(&s32, op32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct statfs32 *p32, s32;
|
|
struct statfs *p = NULL, s;
|
|
|
|
p32 = uap->buf;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
uap->buf = (struct statfs32 *)p;
|
|
}
|
|
error = statfs(td, (struct statfs_args *) uap);
|
|
if (error)
|
|
return (error);
|
|
if (p32) {
|
|
error = copyin(p, &s, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
error = copyout(&s32, p32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct statfs32 *p32, s32;
|
|
struct statfs *p = NULL, s;
|
|
|
|
p32 = uap->buf;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
uap->buf = (struct statfs32 *)p;
|
|
}
|
|
error = fstatfs(td, (struct fstatfs_args *) uap);
|
|
if (error)
|
|
return (error);
|
|
if (p32) {
|
|
error = copyin(p, &s, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
error = copyout(&s32, p32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct statfs32 *p32, s32;
|
|
struct statfs *p = NULL, s;
|
|
|
|
p32 = uap->buf;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
uap->buf = (struct statfs32 *)p;
|
|
}
|
|
error = fhstatfs(td, (struct fhstatfs_args *) uap);
|
|
if (error)
|
|
return (error);
|
|
if (p32) {
|
|
error = copyin(p, &s, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
error = copyout(&s32, p32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap)
|
|
{
|
|
/*
|
|
* Vector through to semsys if it is loaded.
|
|
*/
|
|
return sysent[169].sy_call(td, uap);
|
|
}
|
|
|
|
int
|
|
freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap)
|
|
{
|
|
/*
|
|
* Vector through to msgsys if it is loaded.
|
|
*/
|
|
return sysent[170].sy_call(td, uap);
|
|
}
|
|
|
|
int
|
|
freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap)
|
|
{
|
|
/*
|
|
* Vector through to shmsys if it is loaded.
|
|
*/
|
|
return sysent[171].sy_call(td, uap);
|
|
}
|
|
|
|
int
|
|
freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
|
|
{
|
|
struct pread_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32));
|
|
return (pread(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
|
|
{
|
|
struct pwrite_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32));
|
|
return (pwrite(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
|
|
{
|
|
int error;
|
|
struct lseek_args ap;
|
|
off_t pos;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32));
|
|
ap.whence = uap->whence;
|
|
error = lseek(td, &ap);
|
|
/* Expand the quad return into two parts for eax and edx */
|
|
pos = *(off_t *)(td->td_retval);
|
|
td->td_retval[0] = pos & 0xffffffff; /* %eax */
|
|
td->td_retval[1] = pos >> 32; /* %edx */
|
|
return error;
|
|
}
|
|
|
|
int
|
|
freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
|
|
{
|
|
struct truncate_args ap;
|
|
|
|
ap.path = uap->path;
|
|
ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32));
|
|
return (truncate(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
|
|
{
|
|
struct ftruncate_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32));
|
|
return (ftruncate(td, &ap));
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_sendfile(struct thread *td,
|
|
struct freebsd4_freebsd32_sendfile_args *uap)
|
|
{
|
|
struct freebsd4_sendfile_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.s = uap->s;
|
|
ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32));
|
|
ap.nbytes = uap->nbytes; /* XXX check */
|
|
ap.hdtr = uap->hdtr; /* XXX check */
|
|
ap.sbytes = uap->sbytes; /* XXX FIXME!! */
|
|
ap.flags = uap->flags;
|
|
return (freebsd4_sendfile(td, &ap));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
|
|
{
|
|
struct sendfile_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.s = uap->s;
|
|
ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32));
|
|
ap.nbytes = uap->nbytes; /* XXX check */
|
|
ap.hdtr = uap->hdtr; /* XXX check */
|
|
ap.sbytes = uap->sbytes; /* XXX FIXME!! */
|
|
ap.flags = uap->flags;
|
|
return (sendfile(td, &ap));
|
|
}
|
|
|
|
struct stat32 {
|
|
dev_t st_dev;
|
|
ino_t st_ino;
|
|
mode_t st_mode;
|
|
nlink_t st_nlink;
|
|
uid_t st_uid;
|
|
gid_t st_gid;
|
|
dev_t st_rdev;
|
|
struct timespec32 st_atimespec;
|
|
struct timespec32 st_mtimespec;
|
|
struct timespec32 st_ctimespec;
|
|
off_t st_size;
|
|
int64_t st_blocks;
|
|
u_int32_t st_blksize;
|
|
u_int32_t st_flags;
|
|
u_int32_t st_gen;
|
|
struct timespec32 st_birthtimespec;
|
|
unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32));
|
|
unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32));
|
|
};
|
|
|
|
|
|
CTASSERT(sizeof(struct stat32) == 96);
|
|
|
|
static void
|
|
copy_stat( struct stat *in, struct stat32 *out)
|
|
{
|
|
CP(*in, *out, st_dev);
|
|
CP(*in, *out, st_ino);
|
|
CP(*in, *out, st_mode);
|
|
CP(*in, *out, st_nlink);
|
|
CP(*in, *out, st_uid);
|
|
CP(*in, *out, st_gid);
|
|
CP(*in, *out, st_rdev);
|
|
TS_CP(*in, *out, st_atimespec);
|
|
TS_CP(*in, *out, st_mtimespec);
|
|
TS_CP(*in, *out, st_ctimespec);
|
|
CP(*in, *out, st_size);
|
|
CP(*in, *out, st_blocks);
|
|
CP(*in, *out, st_blksize);
|
|
CP(*in, *out, st_flags);
|
|
CP(*in, *out, st_gen);
|
|
}
|
|
|
|
int
|
|
freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
|
|
{
|
|
struct stat sb;
|
|
struct stat32 sb32;
|
|
int error;
|
|
struct nameidata nd;
|
|
|
|
#ifdef LOOKUP_SHARED
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF | NOOBJ,
|
|
UIO_USERSPACE, uap->path, td);
|
|
#else
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE,
|
|
uap->path, td);
|
|
#endif
|
|
if ((error = namei(&nd)) != 0)
|
|
return (error);
|
|
error = vn_stat(nd.ni_vp, &sb, td->td_ucred, NOCRED, td);
|
|
NDFREE(&nd, NDF_ONLY_PNBUF);
|
|
vput(nd.ni_vp);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
|
|
{
|
|
struct file *fp;
|
|
struct stat ub;
|
|
struct stat32 ub32;
|
|
int error;
|
|
|
|
if ((error = fget(td, uap->fd, &fp)) != 0)
|
|
return (error);
|
|
mtx_lock(&Giant);
|
|
error = fo_stat(fp, &ub, td->td_ucred, td);
|
|
mtx_unlock(&Giant);
|
|
fdrop(fp, td);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&ub, &ub32);
|
|
error = copyout(&ub32, uap->ub, sizeof(ub32));
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
|
|
{
|
|
int error;
|
|
struct vnode *vp;
|
|
struct stat sb;
|
|
struct stat32 sb32;
|
|
struct nameidata nd;
|
|
|
|
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE,
|
|
uap->path, td);
|
|
if ((error = namei(&nd)) != 0)
|
|
return (error);
|
|
vp = nd.ni_vp;
|
|
error = vn_stat(vp, &sb, td->td_ucred, NOCRED, td);
|
|
NDFREE(&nd, NDF_ONLY_PNBUF);
|
|
vput(vp);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
int
|
|
freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
|
|
{
|
|
int error, name[CTL_MAXNAME];
|
|
size_t j, oldlen;
|
|
|
|
if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
|
|
return (EINVAL);
|
|
error = copyin(uap->name, name, uap->namelen * sizeof(int));
|
|
if (error)
|
|
return (error);
|
|
mtx_lock(&Giant);
|
|
if (uap->oldlenp)
|
|
oldlen = fuword32(uap->oldlenp);
|
|
else
|
|
oldlen = 0;
|
|
error = userland_sysctl(td, name, uap->namelen,
|
|
uap->old, &oldlen, 1,
|
|
uap->new, uap->newlen, &j, SCTL_MASK32);
|
|
if (error && error != ENOMEM)
|
|
goto done2;
|
|
if (uap->oldlenp)
|
|
suword32(uap->oldlenp, j);
|
|
done2:
|
|
mtx_unlock(&Giant);
|
|
return (error);
|
|
}
|
|
|
|
struct sigaction32 {
|
|
u_int32_t sa_u;
|
|
int sa_flags;
|
|
sigset_t sa_mask;
|
|
};
|
|
|
|
CTASSERT(sizeof(struct sigaction32) == 24);
|
|
|
|
int
|
|
freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
|
|
{
|
|
struct sigaction32 s32;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->act) {
|
|
error = copyin(uap->act, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(s32.sa_u);
|
|
CP(s32, sa, sa_flags);
|
|
CP(s32, sa, sa_mask);
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->sig, sap, &osa, 0);
|
|
if (error != 0 && uap->oact != NULL) {
|
|
s32.sa_u = PTROUT(osa.sa_handler);
|
|
CP(osa, s32, sa_flags);
|
|
CP(osa, s32, sa_mask);
|
|
error = copyout(&s32, uap->oact, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_sigaction(struct thread *td,
|
|
struct freebsd4_freebsd32_sigaction_args *uap)
|
|
{
|
|
struct sigaction32 s32;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->act) {
|
|
error = copyin(uap->act, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(s32.sa_u);
|
|
CP(s32, sa, sa_flags);
|
|
CP(s32, sa, sa_mask);
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
|
|
if (error != 0 && uap->oact != NULL) {
|
|
s32.sa_u = PTROUT(osa.sa_handler);
|
|
CP(osa, s32, sa_flags);
|
|
CP(osa, s32, sa_mask);
|
|
error = copyout(&s32, uap->oact, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
|
|
{
|
|
struct timespec32 rmt32, rqt32;
|
|
struct timespec rmt, rqt;
|
|
int error;
|
|
|
|
error = copyin(uap->rqtp, &rqt32, sizeof(rqt));
|
|
if (error)
|
|
return (error);
|
|
|
|
CP(rqt32, rqt, tv_sec);
|
|
CP(rqt32, rqt, tv_nsec);
|
|
|
|
if (uap->rmtp &&
|
|
!useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
|
|
return (EFAULT);
|
|
error = kern_nanosleep(td, &rqt, &rmt);
|
|
if (error && uap->rmtp) {
|
|
int error2;
|
|
|
|
CP(rmt, rmt32, tv_sec);
|
|
CP(rmt, rmt32, tv_nsec);
|
|
|
|
error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt));
|
|
if (error2)
|
|
error = error2;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#if 0
|
|
|
|
int
|
|
freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
|
|
{
|
|
int error;
|
|
caddr_t sg;
|
|
struct yyy32 *p32, s32;
|
|
struct yyy *p = NULL, s;
|
|
|
|
p32 = uap->zzz;
|
|
if (p32) {
|
|
sg = stackgap_init();
|
|
p = stackgap_alloc(&sg, sizeof(struct yyy));
|
|
uap->zzz = (struct yyy32 *)p;
|
|
error = copyin(p32, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
/* translate in */
|
|
error = copyout(&s, p, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
}
|
|
error = xxx(td, (struct xxx_args *) uap);
|
|
if (error)
|
|
return (error);
|
|
if (p32) {
|
|
error = copyin(p, &s, sizeof(s));
|
|
if (error)
|
|
return (error);
|
|
/* translate out */
|
|
error = copyout(&s32, p32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#endif
|